In terms of precipitation, rainfall in Trenton, New Jersey ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit Trenton, New Jersey when rainfall is around 2.9 in.

If weather is an important factor for your trip to Trenton, New Jersey, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

How far in advance should I book a flight from Region of Ontario to Trenton, New Jersey?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 54 days in advance, which can save you up to 64% on flights from Region of Ontario to Trenton, New Jersey compared to booking the week you need them. Waiting 54 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $235. For sooner than that we have options available in the next 3 days from $362.

What is the cheapest month to fly from Region of Ontario to Trenton, New Jersey?

May is one of the best times of the year to fly to Trenton, New Jersey from Region of Ontario. Prices for May average $224 per person but you can even find prices for as low as $118. The most expensive prices can be found in the month of December. Opting for a May flight can save you 16% on your journey compared to booking in December

What is the cheapest time of day to fly from ON to TTN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Trenton, New Jersey as you normally would.

What airport do you fly into for flights to Trenton from Ontario?

Most people fly into Trenton-Mercer (TTN) if they book a flight to Trenton from Ontario. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

Can I find deals for flights from Ontario to Trenton that include hotel bookings?

Yes. In addition to deals on Ontario to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Trenton?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Trenton.

Can I find deals for business class flights from Ontario to Trenton?

Yes. Cheapflights offers flight deals from Ontario to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$251+ Flights from Ontario to Trenton, NJ

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Cheap flight deals from Ontario to Trenton

Round-trip from	$569 (Kiwi.com)
One-way from	$251 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$234

From Ontario to Trenton-Mercer

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One-way flight from Ontario to Trenton-Mercer

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Highest demand for flights based on searches. 4% potential increase in price ($10 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Ontario to Trenton

Cheapest flights from Ontario to Trenton
Explore the most affordable flight options available from Ontario to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Sat 9/139:50 amYYZ - TTN

1 stop25h 10mMultiple Airlines

Sat 9/2011:45 amTTN - YYZ

1 stop11h 56mMultiple Airlines

Deal found 7/30

$569

Best flights from Ontario to Trenton
Discover carefully curated flight deals from Ontario to Trenton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Sat 9/139:50 amYYZ - TTN

1 stop25h 10mMultiple Airlines

Sat 9/2011:45 amTTN - YYZ

1 stop11h 56mMultiple Airlines

Deal found 7/30

$569

Last-minute flights from Ontario to Trenton
Discover last-minute flight deals from Ontario to Trenton. Data last updated July 30, 2025 and is based on user searches.

Wed 7/309:15 amYYZ - TTN

2 stops25h 51mMultiple Airlines

Mon 8/45:15 pmTTN - YYZ

1 stop30h 32mMultiple Airlines

Deal found 7/28

$797

One-way flights from Ontario to Trenton
Search for one-way flight options from Ontario to Trenton. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Fri 9/124:00 pmYYZ - TTN

1 stop19h 00mMultiple Airlines

Deal found 7/29

$251

Fly from

Fly to

Route

Depart

Return

Price

TorontoTrenton

YYZ - TTN

YYZTTN

Toronto Pearson Intl

Sat 9/13

9:50 am-11:00 am

1 stop25h 10m

Trenton-Mercer

Sat 9/20

11:45 am-11:41 pm

1 stop11h 56m

$569

TorontoTrenton

YYZ - TTN

YYZTTN

Toronto Pearson Intl

Fri 9/12

4:00 pm-11:00 am

1 stop19h 00m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Ontario to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Trenton

What is the cheapest month to book a flight from Region of Ontario to Trenton, New Jersey?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Trenton, New Jersey (average of $73). Flying from Region of Ontario to Trenton, New Jersey in June is currently the most expensive (average of $153). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Trenton from Ontario?
Most people fly into Trenton-Mercer (TTN) if they book a flight to Trenton from Ontario. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.
Can I find deals for flights from Ontario to Trenton that include hotel bookings?
Yes. In addition to deals on Ontario to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Trenton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Trenton.
Can I find deals for business class flights from Ontario to Trenton?
Yes. Cheapflights offers flight deals from Ontario to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to Trenton, New Jersey?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Trenton, New Jersey (average of $73). Flying from Region of Ontario to Trenton, New Jersey in June is currently the most expensive (average of $153). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$251+ Cheap flights from Ontario to Trenton, NJ (TTN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Ontario to Trenton

Keep the following information in mind while searching for Ontario to Trenton flight deals. Data was last updated July 30, 2025.

Round-trip from

One-way from

Popular in

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Find flight deals from Ontario to Trenton

Cheapest flights from Ontario to TrentonExplore the most affordable flight options available from Ontario to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from Ontario to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Trenton that are best for you.

Best time to book a flight from Ontario to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Trenton

What is the cheapest month to book a flight from Region of Ontario to Trenton, New Jersey?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Trenton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Trenton from Ontario?

Can I find deals for flights from Ontario to Trenton that include hotel bookings?

How can I find direct flights from Ontario to Trenton?

Can I find deals for business class flights from Ontario to Trenton?

What is the cheapest month to book a flight from Region of Ontario to Trenton, New Jersey?

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Alternative routes for Ontario to Trenton

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Cheapest flights from Ontario to Trenton
Explore the most affordable flight options available from Ontario to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.